<!DOCTYPE html>
<html lang="zh_CN" xmlns:th="https://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>登录页面</title>
</head>
<body>
    <h5 th:text="${errMessage}"></h5>
    <form action="/backend/login" method="post">
        <input name="username" /><br />
        <input name="password" /><br />
        <input type="submit" value="登录" />
    </form>
</body>
</html>